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1
Published 1964
American Chemical Society
Subjects: ...Natural Products / Patents...

3
Published 1951
American Chemical Society
Subjects: ...Patent searching / United States...

4
Published 1961
American Chemical Society
Subjects: ...Patent searching / United States...

6
Published 1977
American Chemical Society
Subjects: ...Patent laws and legislation / Analysis...

7
Published 1968
American Chemical Society
Subjects: ...Rubber / Appropriate technology / Patents / Information resources...